Welcome to our Airflow meter web site we can supply new airflow meters for most makes and modules of automobiles, all at low prices. Please click the Manufacturer of you choice on the left hand side of this page this will take you to the on line catalogue or click here for a quick look at all the meters we have in stock
Air Flow Meters measure the amount of air passing into the engine from which the computer can work out how much fuel to add to get the perfect mixture for that specific throttle opening, the computer does this by referring to a map in its memory.
The Air Flow Meter works by seeing how much current it takes to keep a wire at a specific temperature. The fault will often not be shown on diagnostic system as the meter will still be operating within the limits the computer believes are OK, but putting the correct amount of fuel in for idle when the throttle is fully open will result in a very weak mixture and thus a lack of power.
The air flow meters will occasionally fail completely which will bring up a light on the dash and the symptoms described here are only the usual ones, as we have known the fault to become apparent in other ways.
The easiest way to check if the Air flow meter is faulty is to unplug the wiring loom start the car if the car runs ok then the fault is with the airflow meter.
Luckily Airflow meters are very easy to fit and normally only take 5 minutes to fit you do not need any special tools to fit them and with a very small purchase price they are no major problem when there go wrong.
The voltage output from the Air Flow Meter (AFM) should be linear to airflow and this can be measured on an oscilloscope.
The waveform should show approximately 1.0 Volt when the engine is at idle, this voltage will rise as the engine is accelerated and air volume is increased producing an initial peak. This peak is due to the initial influx of air and drops momentarily before the voltage is seen to rise again to another peak of approximately 4.0 to 4.5 Volts. This voltage will however depend on how hard the engine is accelerated, a lower voltage is not necessarily a fault within the AFM.
On deceleration the voltage will drop sharply as the throttle butterfly closes, reducing the airflow, and the engine returns back to idle. The final voltage will drop gradually on an engine fitted with idle speed control valve as this will slowly return the engine back to base idle as an anti-stall characteristic. This function normally only affects the engine speed from around 1200 rpm back to the idle setting.
A time base of approximately 2 seconds plus is used, this enables the operator to view the AFM's output voltage on one screen, from idle, through acceleration and back to idle again. The 'hash' on the waveform is due to the vacuum change from the induction pulses as the engine is running.
We have made this site easier to use and more compact that our previous web sites we have put in a search facility, this can be use to find O.E. manufactures numbers or using the advance search, engine codes.
We now have a larger range of car parts all at
low prices. Please take time to browse our extensive range of ignition parts. If you would like to learn more in depth information about us please visit our company profile page this will give you an insight into the organisation we run. For orders& purchases please click your manufacturer this will lead you to our catalogue.
Once inside you will be able to view our extensive range of products by navigating through the motor manufacturers listings. Coupled with your product details you will find all relative information including prices and delivery times.
We welcome all your comments so please feel free to contact a member of our staff if you have any queries. Please note all Distributors are sold on an exchange basis. all price are + vat in the EU
| For immediate assistance please | PHONE: 01708 223 225 07973 315 349 FAX: 01708 220 884 EMAIL:HAZEL@PCRAGO.FSNET.CO.UK |
New distiributors now on this web site
All distributors are in stock and ready for dispatch, we guarantee delivery anywhere in the UK next Day. For the rest of Europe please allow 2 days and add £40 postage, for the USA and the rest of the world allow 4 days add £60 postage. For more information visit the Shipping and Returns page
If you cannot find the parts you need please contact me at hazel@pcrago.fsnet.co.uk
Here at probedistributors we have in stock new reconditioned and used distributors for all makes and models of motor car.
Large range of BRAND NEW auto distributors in stock with 3 years warranty. We can also supply reconditioned and used distributor units. To fit Honda Mazda Ford Proton Audi VW Seat.
You can full take advantage of our free testing and fitting service, you only pay for the parts we fit. If no faults are found no charge you only pay the postage.
If you need any help please phone us from 9am till 5pm weekdays please note we are closed weekends and bank holidays if you need advise during these times please email peter@probedistributors.co.uk 01708 223225 .
| Other useful site you may like to visit: |
www.ignitionleads.co.uk supplying high quality ignition leads for the modern motor vehicle, made to the original manufacturers specification which you can buy at a fraction of the original price. |
www.probedistributors.co.uk - Manufacturing and supplying brand new and recondition distributors and all auto electronic ignition parts i.e. coils modules distributors etc . 02.com/ - New lambda sensors at low prices. http://www.3aautos.co.uk/ We have a large range of imported motors cars from around the world, we specilies in Mazda Bongo Mazda Bongo Friendee Toyota Previa Toyota Reguius Toyota Estima Toyota Granvia Nissan Al Grand http://www.mazdabongoparts.com We can supply new recondition and used parts for you Mazda Bongo we have a very large stock of all parts ready for dispatch. you can use our dedicated phone number to order or use our new online catalogue. www.ignitioncoil.org.uk supplying high quality ignition coils for the modern motor vehicle, made to the original manufacturers specification which you can buy at a fraction of the original price. |
Large range of BRAND NEW auto distributors in stock with one years warranty. We can also supply reconditioned and used distributor units. To fit Honda Mazda Ford Proton Audi VW Seat.
You can full take advantage of our free testing and fitting service, you only pay for the parts we fit. If no faults are found no charge you only pay the postage.
We can supply brand new ignition coils at a fraction of the cost the main agents charge, all supplied with a 1 year warranty.
We can supply a complete range of auto electronic ignition modules for all makes of automobiles, including imported cars, and vans.
A full range of ignition kits are available these are coil units with the ignition module.
Distributors Caps brand new in stock. All makes and models
Throttle Sensors for all manufacturers.
Ignition Leads complete sets original fit and universal fit. For all makes.
Distributor repair kits, these kits are complete with all the parts you need to recondition you own distributor.
Rotor arms all brand new. All makes and models.
Honda distributor bearing kits are supplied completely assembled with new rotor arm and inner oil seal.
Direct fit coils new parts manufactured to a very high standard. Map Sensors brand new in stock. For all makes and modules. New universal fit lambda sensors for all makes now in stock. New original fit lambda sensors for all makes now in stock.
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